ID   SYH_LACLA               Reviewed;         430 AA.
AC   Q9CE78;
DT   16-JUN-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2001, sequence version 1.
DT   25-MAY-2022, entry version 108.
DE   RecName: Full=Histidine--tRNA ligase {ECO:0000255|HAMAP-Rule:MF_00127};
DE            EC=6.1.1.21 {ECO:0000255|HAMAP-Rule:MF_00127};
DE   AltName: Full=Histidyl-tRNA synthetase {ECO:0000255|HAMAP-Rule:MF_00127};
DE            Short=HisRS {ECO:0000255|HAMAP-Rule:MF_00127};
GN   Name=hisS {ECO:0000255|HAMAP-Rule:MF_00127}; OrderedLocusNames=LL1967;
GN   ORFNames=L0342;
OS   Lactococcus lactis subsp. lactis (strain IL1403) (Streptococcus lactis).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Lactococcus.
OX   NCBI_TaxID=272623;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=IL1403;
RX   PubMed=11337471; DOI=10.1101/gr.gr-1697r;
RA   Bolotin A., Wincker P., Mauger S., Jaillon O., Malarme K., Weissenbach J.,
RA   Ehrlich S.D., Sorokin A.;
RT   "The complete genome sequence of the lactic acid bacterium Lactococcus
RT   lactis ssp. lactis IL1403.";
RL   Genome Res. 11:731-753(2001).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + L-histidine + tRNA(His) = AMP + diphosphate + H(+) + L-
CC         histidyl-tRNA(His); Xref=Rhea:RHEA:17313, Rhea:RHEA-COMP:9665,
CC         Rhea:RHEA-COMP:9689, ChEBI:CHEBI:15378, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:33019, ChEBI:CHEBI:57595, ChEBI:CHEBI:78442,
CC         ChEBI:CHEBI:78527, ChEBI:CHEBI:456215; EC=6.1.1.21;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00127};
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00127}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00127}.
CC   -!- SIMILARITY: Belongs to the class-II aminoacyl-tRNA synthetase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00127}.
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DR   EMBL; AE005176; AAK06065.1; -; Genomic_DNA.
DR   PIR; G86870; G86870.
DR   RefSeq; NP_268124.1; NC_002662.1.
DR   RefSeq; WP_004254776.1; NC_002662.1.
DR   AlphaFoldDB; Q9CE78; -.
DR   SMR; Q9CE78; -.
DR   STRING; 272623.L0342; -.
DR   PaxDb; Q9CE78; -.
DR   EnsemblBacteria; AAK06065; AAK06065; L0342.
DR   KEGG; lla:L0342; -.
DR   PATRIC; fig|272623.7.peg.2118; -.
DR   eggNOG; COG0124; Bacteria.
DR   HOGENOM; CLU_025113_1_1_9; -.
DR   OMA; CDFDFIG; -.
DR   Proteomes; UP000002196; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004821; F:histidine-tRNA ligase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006427; P:histidyl-tRNA aminoacylation; IEA:UniProtKB-UniRule.
DR   CDD; cd00773; HisRS-like_core; 1.
DR   CDD; cd00859; HisRS_anticodon; 1.
DR   Gene3D; 3.30.930.10; -; 1.
DR   Gene3D; 3.40.50.800; -; 1.
DR   HAMAP; MF_00127; His_tRNA_synth; 1.
DR   InterPro; IPR006195; aa-tRNA-synth_II.
DR   InterPro; IPR045864; aa-tRNA-synth_II/BPL/LPL.
DR   InterPro; IPR004154; Anticodon-bd.
DR   InterPro; IPR036621; Anticodon-bd_dom_sf.
DR   InterPro; IPR015807; His-tRNA-ligase.
DR   InterPro; IPR041715; HisRS-like_core.
DR   InterPro; IPR004516; HisRS/HisZ.
DR   InterPro; IPR033656; HisRS_anticodon.
DR   PANTHER; PTHR43707; PTHR43707; 1.
DR   Pfam; PF03129; HGTP_anticodon; 1.
DR   Pfam; PF13393; tRNA-synt_His; 1.
DR   PIRSF; PIRSF001549; His-tRNA_synth; 1.
DR   SUPFAM; SSF55681; SSF55681; 1.
DR   TIGRFAMs; TIGR00442; hisS; 1.
DR   PROSITE; PS50862; AA_TRNA_LIGASE_II; 1.
PE   3: Inferred from homology;
KW   Aminoacyl-tRNA synthetase; ATP-binding; Cytoplasm; Ligase;
KW   Nucleotide-binding; Protein biosynthesis; Reference proteome.
FT   CHAIN           1..430
FT                   /note="Histidine--tRNA ligase"
FT                   /id="PRO_0000136180"
SQ   SEQUENCE   430 AA;  49004 MW;  7D628F884E5208E7 CRC64;
     MKLQKPKGTA DLLPAETAKW QYIEEIARGV FNDYNFKEIR TPMFESYELF SRATGETSDI
     VTKEMYDFED KGGRHIALRP EGTASAVRAY IENKLYAPEV VKPVKLWYDA PMFRYERPQS
     GRLRQFHQFG VECLGVKNPA VDVEIIAMAD TLFRQLGITG LKLALNTLGD MESRMAYRQA
     LIDYLTPFEN QLSEDSRRRL NENPLRVLDS KEAEDIAIVK NAPAILDYLN EASKAYFEEV
     KALLEALHIE YTIDPNMVRG LDYYNDTIFE FIVDFDGKDL TVCGGGRYDG LVEYFDGPAT
     PAFGFGLGIE RLLMIAQKQE INFIPEETLD VYIAVMGEKA NLEATKLAES LREQAFKVER
     DFSNRKLGAQ FKTAEKLGAE LIITLGEDEI RTGQIKVKHN QTRKQVETTL KAVHESFAPI
     FEEIYADEEL